OEM/ODM China ASTM A325 Heavy Hex Structural Bolts to The Swiss Manufacturers

ASTM A325 Heavy Hex Structural Bolts The bolts are intended for use in structural connections. These connections are covered under the requirements of the Specification for Structural Joints Using ASTM A325 Bolts, approved by the Research Council on Structural Connections, endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.   Dimension: ASME B18.2.6 Thread Size: 1/2"-1.1/2" with various lengths Grade: ASTM A325 Type-1 Finish: Black Oxide, Zinc Plating, Hot Dip Galvanized, Dacromet, and so on Packing: Bulk about 25 kgs each carton, 36 cartons each pallet Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports Please feel free to contact us for more details.  

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    Ask This Old House general contractor Tom Silva shares some tricks of the trade for backing out stripped screws. (See below for a shopping list, tools, and steps.)

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    Shopping List for How to Remove Stripped Screws:
    - Tapered wood plug, to conceal screw hole

    Tools List for How to Remove Stripped Screws:
    - Screwdriver
    - Self-locking pliers
    - Cordless drill
    - Screw extractor

    Steps for How to Remove Stripped Screws:
    1. Try removing the stripped screw with the proper size manual screwdriver.
    2. If the screw head is protruding from the surface, grip it with self-locking pliers and twist out the screw.
    3. Use a cordless drill, set in reverse, and left-handed bit to drill a small hole into the head of the stripped screw.
    4. With the drill still set in reverse, use a screw extractor to back out the screw.
    5. If the screw head has snapped off, use a hollow-boring screw extractor to drill out the entire screw. Fill the resulting hole with a tapered wood plug.

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